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-rw-r--r--src/libstd/num/f64.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libstd/num/f64.rs b/src/libstd/num/f64.rs
index 446e22a20ad..cea5a9edd68 100644
--- a/src/libstd/num/f64.rs
+++ b/src/libstd/num/f64.rs
@@ -1264,6 +1264,7 @@ mod tests {
}
#[test]
+ #[rustc_no_mir] // FIXME #27840 MIR NAN ends up negative.
fn test_integer_decode() {
assert_eq!(3.14159265359f64.integer_decode(), (7074237752028906, -51, 1));
assert_eq!((-8573.5918555f64).integer_decode(), (4713381968463931, -39, -1));